/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package j2bs;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Faraj
 */
public class Stop extends HttpServlet {

    @Override
    public void init() throws ServletException {

    }


    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

        try {
            if(!isAllowed(request))
                return;
            J2BServer.stopService();
        } catch (IOException ex) {

            return;
        }
    } 

    public boolean isAllowed(HttpServletRequest request)
    {
        BufferedReader reader = null;
        try
        {
            FileReader fileIn = new FileReader(getServletContext().getRealPath("")+"\\WEB-INF\\hosts.allowed");
            reader = new BufferedReader(fileIn);
            String value = "";
            while((value = reader.readLine()) != null)
            {
                if(value.equalsIgnoreCase(request.getRemoteAddr()))
                {
                    try {
                        reader.close();
                    } catch (IOException ex) {
                        return false;
                    }
                    return true;
                }
            }
            return false;
        }
        catch(Exception e)
        {

            return false;
        }
        finally
        {
            try {
                reader.close();
            } catch (IOException ex) {
                return false;
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
